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Old 02-09-2017, 01:23 PM
TheCollector TheCollector is offline
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Default 2017 - Bigwheel dirt bike - DNF

Ok I'm new to the site but not to building. I'm starting with a 84 Yamaha trimoto three wheeler and I'm gonna make a fat tire dirtbike. List of to do's include .
Custom swing arm
Jack shaft set up I might build this into the swing arm
6.5 HP engine
Torque converter
Build a rear hub
Paint and custom lighting
Recover seat
Make a rear fender
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Old 02-09-2017, 02:05 PM
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Sounds awesome! Post lots of pictures so we can follow along!
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Old 02-09-2017, 02:08 PM
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Oh yes I love fat tires. Lots of pics please
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Old 02-18-2017, 06:10 PM
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Got a small update. I was reasearcing these big wheels and my frame was not ideal because I't didn't have rear suspension, the frame was to far back and was to low to the ground so time to cut it up and make it right. I also cut the plastic, recovered the seat and powder coated and mounted the rear tire. You can see it compared to the red ATC big wheel the frame was way to far back. Now the frame will be close to the back of the front fender.
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Old 02-19-2017, 05:12 PM
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Spent hours grinding off old welds but I got it tacked up the way I want and now there is room for a swing arm. I wanted to do more but all star game time.. More to come soon.
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Old 03-02-2017, 05:34 PM
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Got the rear fender made up. Its made from two Murray mower fenders spliced and welded together. Tomorrow I will get it mounted up.
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Old 03-04-2017, 03:54 PM
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Not the prettiest but the rear hub is done other than cleaning and powder coat.
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Old 03-04-2017, 07:13 PM
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I have bearings on the way for the rear hub. After I get that and the axle worked out then I will be moving onto the swing arm. I picked up last week feet of 2"x1" 11 gauge tube.
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Old 03-14-2017, 04:23 PM
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Did a little more. Powder coated the front wheel and the rear hub. Also got new bearings in both. I did some trimming to the rear fender and I still think its to long I also picked up some Kawasaki kx65 side plates and did a lot of trimming to get the to fit and look OK without cutting them up.
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Old 04-22-2017, 07:04 PM
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Got some time today so I built most of the swing arm. Still have to notch out for the axle and make chain tensioners.
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Old 04-23-2017, 06:42 PM
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Ok today I notched out the rear of the swing arm for the axle to go through. Some time in the coming week I plan to have the tensioners made and the swing arm capped off. He is a little mock up with the swing arm.
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Old 04-23-2017, 06:45 PM
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Sorry pic
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Old 04-24-2017, 08:19 AM
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Man I wanna build one of these for trail riding!
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Old 04-24-2017, 12:43 PM
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To me the front end looks to have 0 rake, 0 trail? or maybe a couple degrees rake. Maybe okay for 3 wheeler. but for motorcycle i would think a little rake would give you better control\stability?

Once you have a rolling chassis i guess you could try and steer and see how it feels.
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Old 04-24-2017, 02:47 PM
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I agree completely. It does need more rake and that is something I will address once the rear end is complete. Thanks for the feed back!
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Old 01-15-2018, 03:39 PM
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Dnf
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Old 01-29-2018, 12:57 AM
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I sold it. Very sorry I didn't finish the build.
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Old 01-29-2018, 01:52 AM
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You better change your nick name then. TheCollector keeps things not sells them before the project is finished!

I was looking forward to a nice fat tire bike build... now im going to have to build one instead....
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